Ever played fetch with a four-eyed Grerk or made pancakes with a giant orange squurm? Nelly isn't scared of monsters. In fact she babysits for them. Every night, Nelly the monster sitter looks after a new friend, but its never easy...

Glug, the baby Grerk, has four eyes instead of two, two tongues instead of one and six legs instead of two...so giving him a bath is going to be six times the challenge.